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NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES (Property, Plant and Equipment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment
Investment in information systems	$ 131,779	$ 128,778
Buildings | Minimum
Property, Plant and Equipment
Estimated useful lives	20 years
Buildings | Maximum
Property, Plant and Equipment
Estimated useful lives	50 years
Building improvements | Minimum
Property, Plant and Equipment
Estimated useful lives	7 years
Building improvements | Maximum
Property, Plant and Equipment
Estimated useful lives	10 years
Machinery and equipment
Property, Plant and Equipment
Investment in information systems	$ 25,691	25,160
Machinery and equipment | Minimum
Property, Plant and Equipment
Estimated useful lives	2 years
Machinery and equipment | Maximum
Property, Plant and Equipment
Estimated useful lives	10 years
Computer software and hardware
Property, Plant and Equipment
Investment in information systems	$ 52,400	51,632
Computer software and hardware | Minimum
Property, Plant and Equipment
Estimated useful lives	3 years
Computer software and hardware | Maximum
Property, Plant and Equipment
Estimated useful lives	10 years
Furniture and fixtures
Property, Plant and Equipment
Investment in information systems	$ 20,245	$ 20,385
Furniture and fixtures | Minimum
Property, Plant and Equipment
Estimated useful lives	2 years
Furniture and fixtures | Maximum
Property, Plant and Equipment
Estimated useful lives	5 years

X

- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.13)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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X

- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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- Details

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